Police in South Wales handcuffed an 18-year-old on Monday for a fatal collision. Officers say a car hit a cyclist on a local street near Newport. The victim lost life on site. The driver parked nearby, came back, and then left again. A man in the car was taken to hospital carrying injuries. Cops also took another suspect into custody over a caravan death case. They let him go but laid down strict rules. He is required to stay home and report weekly.